Our core advantages:
1. Coverage of all global navigation frequencies
2. Excellent phase consistency and strong anti-interference capabilities
3. High-precision measurement antenna, providing centimeter-level positioning accuracy
4. Good structural stability, suitable for measurements in various complex environments
5. Customizable products for our customers
Product Description
The RAT-603 multi-band GNSS antenna is a high-precision positioning antenna designed for reliable reception of GPS L1/L2/L5, BeiDou B1/B2/B3, GLONASS G1/G2/G3, Galileo E1/E5a/E5b/E6, and L-Band signals. Its four-point-feed, single-layer patch architecture provides RHCP polarization, 360° azimuth coverage, peak gain of at least 5.5 dBi, and an axial ratio of no more than 3.0 dB at zenith. With phase-center accuracy within 2.0 mm, phase-center repeatability within 1.0 mm, a 40 ± 2 dB low-noise amplifier, and a noise figure of up to 2.0 dB, the RAT-603 delivers stable, accurate GNSS signal reception in demanding positioning environments. The antenna also features a wide 3–16 V DC input range, TNC female connector, rugged PC+PBT radome, IP67 waterproof protection, and an operating temperature range from -40°C to +85°C.
This high-precision GNSS antenna is well suited for RTK positioning, GNSS surveying, geodetic measurement, precision agriculture, autonomous machinery, construction equipment, UAV ground stations, marine navigation, fleet tracking, and intelligent transportation systems. Its multi-constellation and multi-frequency capability helps improve positioning availability and accuracy in applications requiring dependable centimeter-level or high-precision location data, while the compact Ø152 × 67.9 mm housing, approximately 290 g weight, standard 5/8-11 mounting thread, and weather-resistant construction make it easy to integrate into professional outdoor GNSS receivers, reference stations, machine-control systems, and other industrial positioning platforms.
| ANTENNA | |
| Patch architecture | Four-point-fed, single-layer patch |
| Supported GNSS signal bands | GPS: L1/L2/L5 |
| BDS: B1/B2/B3 | |
| GLONASS: G1/G2/G3 | |
| Galileo: E1/E5a/E5b/E6 | |
| L-band | |
| Peak gain | ≥ 5.5 dBi at Fc |
| Polarization | RHCP |
| Axial ratio at zenith | ≤ 3.0 dB |
| Azimuth coverage | 360° |
| Impedance | 50 Ω |
| Phase center accuracy | ≤ 2.0 mm |
| Phase center repeatability | ≤ 1.0 mm |
| LNA | |
| Frequency range | 1164 MHz to 1300 MHz |
| 1525 MHz to 1621 MHz | |
| LNA gain | 40 ± 2.0 dB (typ. at 25 °C) |
| Group delay variation | ≤ 5 ns |
| Noise figure | ≤ 2.0 dB at 25 °C, typ. (pre-filtered) |
| Output VSWR | ≤ 1.8:1 typ.; 2.0:1 max. |
| Operating voltage | 3.0 to 16 V DC |
| Operating current | ≈ 45 mA |
| MECHANICAL & ENVIRONMENTAL | |
| Dimensions | Ø 152 mm × 67.9 mm |
| Connector | TNC (female) |
| Radome material | PC + PBT |
| Weight | ≈ 290 g |
| Mounting thread | 5/8"-11 |
| Operating temperature | -40 °C to +85 °C |
| Storage temperature | -45 °C to +85 °C |
| Humidity | 95% RH, non-condensing |
| IP rating | IP67 |
High-precision GNSS Antenna（RAT-603）
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